import java.util.Scanner;

/*import java.util.Scanner;

public class Main<> {
    Scanner sc=new Scanner(System.in);
    String s=new String();
    int[]arr=new int[n];
    for(int i=0;i<s.length;i++){
        arr[i]=s.charAt(i);
    }
   System.out.println(arr[0]);
    public static void  main{
        Main main=new Main();
        Scanner sc=new Scanner(System.in);
    }
}
*/
public class Main{
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);

        while (in.hasNext()){
            char ch=in.next().charAt(0);

            if(ch>='a'&&ch<='z'){
                ch=(char)(ch-32);
                System.out.print(ch);
            }else {
                System.out.print(ch);
            }
        }
    }
}